$def with (book_title, edit_url)

<div class="compact-title hidden">
  <span class="compact-title__heading">$book_title</span>
  <div class="compact-title__edit-btn">
    <a
      class="cta-btn cta-btn--vanilla"
      href="$edit_url"
      title="$_('Edit this page')"
      data-ol-link-track="CTAClick|StickyEdit"
      rel="nofollow"
    >$_("Edit")</a>
  </div>
</div>
